fix

This resolves the issue with the EntityId no longer supporting integer conversion.

Author: NoelStephensUnity

com.unity.netcode.gameobjects/Runtime/Components/RigidbodyContactEventManager.cs

@@ -90,10 +90,15 @@ private struct JobResultStruct
         private NativeArray<JobResultStruct> m_ResultsArray;
         private int m_Count = 0;
         private JobHandle m_JobHandle;
-
+#if UNITY_6000_2_OR_NEWER
+        private readonly Dictionary<EntityId, Rigidbody> m_RigidbodyMapping = new Dictionary<EntityId, Rigidbody>();
+        private readonly Dictionary<EntityId, IContactEventHandler> m_HandlerMapping = new Dictionary<EntityId, IContactEventHandler>();
+        private readonly Dictionary<EntityId, ContactEventHandlerInfo> m_HandlerInfo = new Dictionary<EntityId, ContactEventHandlerInfo>();
+#else
         private readonly Dictionary<int, Rigidbody> m_RigidbodyMapping = new Dictionary<int, Rigidbody>();
         private readonly Dictionary<int, IContactEventHandler> m_HandlerMapping = new Dictionary<int, IContactEventHandler>();
         private readonly Dictionary<int, ContactEventHandlerInfo> m_HandlerInfo = new Dictionary<int, ContactEventHandlerInfo>();
+#endif
 
         private void OnEnable()
         {

com.unity.netcode.gameobjects/Runtime/Transports/UTP/UnityTransport.cs

@@ -355,9 +355,13 @@ private struct PacketLossCache
             public int PacketsDropped;
             public float PacketLoss;
         };
-
+#if UNITY_6000_2_OR_NEWER
+        internal static event Action<EntityId, NetworkDriver> TransportInitialized;
+        internal static event Action<EntityId> TransportDisposed;
+#else
         internal static event Action<int, NetworkDriver> TransportInitialized;
         internal static event Action<int> TransportDisposed;
+#endif
 
         /// <summary>
         /// Provides access to the <see cref="NetworkDriver"/> for this instance.
@@ -435,6 +439,7 @@ private void InitDriver()
                 out m_UnreliableSequencedFragmentedPipeline,
                 out m_ReliableSequencedPipeline);
 #if UNITY_6000_2_OR_NEWER
+            // TODO-FIXME: This is to work around the 
             TransportInitialized?.Invoke(GetEntityId(), m_Driver);
 #else
             TransportInitialized?.Invoke(GetInstanceID(), m_Driver);